1
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
Three single-phase transformers are connected to form a $$3$$-phase transformer bank. The transformers are connected in the following manner.
![GATE EE 2008 Electrical Machines - Transformers Question 20 English](https://imagex.cdn.examgoal.net/MBQbq4v6BYIZyxtHc/bDisvSOYZk1rkYYPUMFoCkeaIxPfn/OkhAnm1YAiTFFmIGcCumHK/image.png)
The transformer connection will be represented by
2
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
The core of two-winding transformer is subjected to a magnetic flux variation as indicated in the figure.
![GATE EE 2008 Electrical Machines - Transformers Question 17 English 1](https://imagex.cdn.examgoal.net/wGvAiG8ZvZ7oKFczq/zLQ63MZdhPUggSVLgO1DtjssrID4Q/I5oyrqJCg5GbKXPdLYzVsr/image.png)
![GATE EE 2008 Electrical Machines - Transformers Question 17 English 2](https://imagex.cdn.examgoal.net/eI41mYLTNw3VODIlV/vZl7p9bylL3IWLHkeEDipCdfOko4i/Q9wKAfuX684vvDzUcSEmQV/image.png)
The induced $$emf$$ $$\left( {{e_{rs}}} \right)$$ in the secondary winding as a function of time will be of the form
3
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross-sectional area of 300 mm2. The inductance the coil corresponding to a magnetizing current of 3 A will be ( Given that $$\mu_0=4\mathrm\pi\times10^{-7}\;\mathrm H/\mathrm m$$)
4
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
Two point charges $${Q_1} = 10\,\,\mu C$$ and $${Q_2} = 20\,\,\mu C$$ are placed at coordinates $$(1,1,0)$$ and $$\left( { - 1, - 1,0} \right)$$ respectively. The total electric flux passing through a plane $$z=20$$ will be
Paper analysis
Total Questions
Analog Electronics
8
Control Systems
8
Digital Electronics
3
Electric Circuits
5
Electrical and Electronics Measurement
4
Electrical Machines
14
Electromagnetic Fields
3
Engineering Mathematics
8
Power Electronics
8
Power System Analysis
10
Signals and Systems
9
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